Molecule Identification Common Name PA(18:0/20:3(5Z,8Z,11Z)) Definition PA(18:0/20:3(5Z,8Z,11Z)) is a phosphatidic acid. It is a glycerophospholipid in which a phosphate moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidic acids can have many different combinations of fatty acids of varying lengths and saturation attached at the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PA(18:0/20:3(5Z,8Z,11Z)), in particular, consists of one chain of stearic acid at the C-1 position and one chain of mead acid at the C-2 position. Phosphatidic acids are quite rare but are extremely important as intermediates in the biosynthesis of triacylglycerols and phospholipids. Structure [H][C@@](COC(=O)CCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCC\C=C/C\C=C/C\C=C/CCCCCCCC InChI=1S/C41H75O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h17,19,22,24,28,30,39H,3-16,18,20-21,23,25-27,29,31-38H2,1-2H3,(H2,44,45,46)/b19-17-,24-22-,30-28-/t39-/m1/s1 Synonyms Value Source 1-Stearoyl-2-meadoyl-sn-glycero-3-phosphate HMDB 1-Stearoyl-2-meadoyl-sn-phosphatidic acid HMDB PA(18:0/20:3) HMDB PA(18:0/20:3N9) HMDB PA(18:0/20:3W9) HMDB PA(38:3) HMDB Phosphatidic acid(18:0/20:3(5Z,8Z,11Z)) HMDB Phosphatidic acid(18:0/20:3) HMDB Phosphatidic acid(18:0/20:3n9) HMDB Phosphatidic acid(18:0/20:3W9) HMDB Phosphatidic acid(38:3) HMDB Phosphatidate(18:0/20:3(5Z,8Z,11Z)) HMDB Phosphatidate(18:0/20:3) HMDB Phosphatidate(18:0/20:3N9) HMDB Phosphatidate(18:0/20:3W9) HMDB Phosphatidate(38:3) HMDB [(2R)-2-[(5Z,11Z)-Icosa-5,8,11-trienoyloxy]-3-(octadecanoyloxy)propoxy]phosphonate HMDB 1-stearoyl-2-meadoyl-sn-glycero-3-phosphate SMPDB, HMDB 1-stearoyl-2-meadoyl-sn-phosphatidic acid SMPDB, HMDB PA(18:0/20:3) SMPDB, HMDB PA(18:0/20:3n9) SMPDB, HMDB PA(18:0/20:3w9) SMPDB, HMDB PA(38:3) SMPDB, HMDB Phosphatidic acid(18:0/20:3(5Z,8Z,11Z)) SMPDB, HMDB Phosphatidic acid(18:0/20:3) SMPDB, HMDB Phosphatidic acid(18:0/20:3n9) SMPDB, HMDB Phosphatidic acid(18:0/20:3w9) SMPDB, HMDB Phosphatidic acid(38:3) SMPDB, HMDB Phosphatidate(18:0/20:3(5Z,8Z,11Z)) SMPDB, HMDB Phosphatidate(18:0/20:3) SMPDB, HMDB Phosphatidate(18:0/20:3n9) SMPDB, HMDB Phosphatidate(18:0/20:3w9) SMPDB, HMDB PA(18:0/20:3(5Z,8Z,11Z)) SMPDB
Chemical Formula C41 H75 O8 P Average Molecular Weight 727.017 Monoisotopic Molecular Weight 726.519956373 IUPAC Name [(2R)-2-[(5Z,8Z,11Z)-icosa-5,8,11-trienoyloxy]-3-(octadecanoyloxy)propoxy]phosphonic acid Traditional Name (2R)-2-[(5Z,8Z,11Z)-icosa-5,8,11-trienoyloxy]-3-(octadecanoyloxy)propoxyphosphonic acid CAS Registry Number Not Available SMILES [H][C@@](COC(=O)CCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCC\C=C/C\C=C/C\C=C/CCCCCCCC
InChI Identifier InChI=1S/C41H75O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h17,19,22,24,28,30,39H,3-16,18,20-21,23,25-27,29,31-38H2,1-2H3,(H2,44,45,46)/b19-17-,24-22-,30-28-/t39-/m1/s1
InChI Key WPMGTFIJLHEIHN-NSHVIGSASA-N Functional Ontology Physiological effect Not Available Disposition Process Naturally occurring process Biological process Biochemical pathway Metabolic pathway De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/20:4(8Z,11Z,14Z,17Z))  (PathBank: SMP0065995 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/22:5(4Z,7Z,10Z,13Z,16Z))  (PathBank: SMP0066001 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/24:0)  (PathBank: SMP0066004 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/20:5(5Z,8Z,11Z,14Z,17Z))  (PathBank: SMP0074747 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/22:5(7Z,10Z,13Z,16Z,19Z))  (PathBank: SMP0074753 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z))  (PathBank: SMP0086104 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/22:1(13Z))  (PathBank: SMP0090018 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/22:4(7Z,10Z,13Z,16Z))  (PathBank: SMP0090020 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/22:2(13Z,16Z))  (PathBank: SMP0065999 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z))  (PathBank: SMP0066003 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z))  (PathBank: SMP0086105 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/22:0)  (PathBank: SMP0090017 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/24:1(15Z))  (PathBank: SMP0090025 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z))  (PathBank: SMP0074743 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/18:0)  (PathBank: SMP0018508 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/20:0)  (PathBank: SMP0018509 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/14:1(9Z))  (PathBank: SMP0018512 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/16:1(9Z))  (PathBank: SMP0018513 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/18:1(11Z))  (PathBank: SMP0018514 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/18:1(9Z))  (PathBank: SMP0018515 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/20:1(11Z))  (PathBank: SMP0018516 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/18:2(9Z,12Z))  (PathBank: SMP0018520 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/18:3(6Z,9Z,12Z))  (PathBank: SMP0018521 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/18:3(9Z,12Z,15Z))  (PathBank: SMP0018526 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/18:4(6Z,9Z,12Z,15Z))  (PathBank: SMP0018527 )De Novo Triacylglycerol Biosynthesis TG(18:0/20:3(5Z,8Z,11Z)/20:2(11Z,14Z))  (PathBank: SMP0032987 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z))  (PathBank: SMP0084709 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z))  (PathBank: SMP0084710 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z))  (PathBank: SMP0084711 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:4(8Z,11Z,14Z,17Z))  (PathBank: SMP0084712 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:5(5Z,8Z,11Z,14Z,17Z))  (PathBank: SMP0084713 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)/20:3(8Z,11Z,14Z))  (PathBank: SMP0084714 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)/20:4(5Z,8Z,11Z,14Z))  (PathBank: SMP0084716 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)/20:4(8Z,11Z,14Z,17Z))  (PathBank: SMP0084717 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z))  (PathBank: SMP0084718 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z)/20:4(5Z,8Z,11Z,14Z))  (PathBank: SMP0084719 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z)/20:4(8Z,11Z,14Z,17Z))  (PathBank: SMP0084720 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z))  (PathBank: SMP0084721 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:4(8Z,11Z,14Z,17Z)/20:4(8Z,11Z,14Z,17Z))  (PathBank: SMP0084722 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:4(8Z,11Z,14Z,17Z)/20:5(5Z,8Z,11Z,14Z,17Z))  (PathBank: SMP0084723 )Cardiolipin Biosynthesis CL(18:0/20:3(5Z,8Z,11Z)/20:5(5Z,8Z,11Z,14Z,17Z)/20:5(5Z,8Z,11Z,14Z,17Z))  (PathBank: SMP0084724 )Role Not Available